Home / 772,292,004.70-1,158,438,007.05-708,802,519.90

Finding the Fourth Proportional to 772,292,004.70, 1,158,438,007.05 and 708,802,519.90

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Solution

The fourth proportional to 772,292,004.70, 1,158,438,007.05 and 708,802,519.90 is: 1,063,203,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,292,004.70 : 1,158,438,007.05 = 708,802,519.90 : x
  2. Step 2: Convert to fraction form
    772,292,004.70/1,158,438,007.05 = 708,802,519.90/x
  3. Step 3: Cross multiply
    772,292,004.70x = 1,158,438,007.05 × 708,802,519.90
  4. Step 4: Simplify right side
    772,292,004.70x = 821,103,778,544,973,952
  5. Step 5: Solve for x
    x = 821,103,778,544,973,952/772,292,004.70
  6. Step 6: Final answer
    x = 1,063,203,779.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.